Example usage for android.content.res AssetManager open

Introduction

In this page you can find the example usage for android.content.res AssetManager open.

Prototype

public @NonNull InputStream open(@NonNull String fileName) throws IOException 

Source Link

Document

Open an asset using ACCESS_STREAMING mode.

Usage

From source file:com.jrummyapps.busybox.signing.ZipSigner.java

/**
 * Tool to sign JAR files (including APKs and OTA updates) in a way compatible with the mincrypt verifier, using
 * SHA1 and RSA keys.//  ww w. j a  va  2  s.  c o  m
 *
 * @param unsignedZip
 *     The path to the APK, ZIP, JAR to sign
 * @param destination
 *     The output file
 * @return true if successfully signed the file
 */
public static boolean signZip(File unsignedZip, File destination) {
    final AssetManager am = App.getContext().getAssets();
    JarArchiveOutputStream outputJar = null;
    JarFile inputJar = null;

    try {
        X509Certificate publicKey = readPublicKey(am.open(PUBLIC_KEY));
        PrivateKey privateKey = readPrivateKey(am.open(PRIVATE_KEY));

        // Assume the certificate is valid for at least an hour.
        long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000;

        inputJar = new JarFile(unsignedZip, false); // Don't verify.
        FileOutputStream stream = new FileOutputStream(destination);
        outputJar = new JarArchiveOutputStream(stream);
        outputJar.setLevel(9);

        // MANIFEST.MF
        Manifest manifest = addDigestsToManifest(inputJar);
        JarArchiveEntry je = new JarArchiveEntry(JarFile.MANIFEST_NAME);
        je.setTime(timestamp);
        outputJar.putArchiveEntry(je);
        manifest.write(outputJar);

        ZipSignature signature1 = new ZipSignature();
        signature1.initSign(privateKey);

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        writeSignatureFile(manifest, out);

        // CERT.SF
        Signature signature = Signature.getInstance("SHA1withRSA");
        signature.initSign(privateKey);
        je = new JarArchiveEntry(CERT_SF_NAME);
        je.setTime(timestamp);
        outputJar.putArchiveEntry(je);
        byte[] sfBytes = writeSignatureFile(manifest, new SignatureOutputStream(outputJar, signature));

        signature1.update(sfBytes);
        byte[] signatureBytes = signature1.sign();

        // CERT.RSA
        je = new JarArchiveEntry(CERT_RSA_NAME);
        je.setTime(timestamp);
        outputJar.putArchiveEntry(je);

        outputJar.write(readContentAsBytes(am.open(TEST_KEY)));
        outputJar.write(signatureBytes);

        copyFiles(manifest, inputJar, outputJar, timestamp);
    } catch (Exception e) {
        Crashlytics.logException(e);
        return false;
    } finally {
        IOUtils.closeQuietly(inputJar);
        IOUtils.closeQuietly(outputJar);
    }
    return true;
}

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From source file:org.goodev.droidddle.utils.IOUtil.java

public static InputStream openUri(Context context, Uri uri, String reqContentTypeSubstring)
        throws OpenUriException {

    if (uri == null) {
        throw new IllegalArgumentException("Uri cannot be empty");
    }/*from   w  ww. j av a 2s  . c o m*/

    String scheme = uri.getScheme();
    if (scheme == null) {
        throw new OpenUriException(false, new IOException("Uri had no scheme"));
    }

    InputStream in = null;
    if ("content".equals(scheme)) {
        try {
            in = context.getContentResolver().openInputStream(uri);
        } catch (FileNotFoundException | SecurityException e) {
            throw new OpenUriException(false, e);
        }

    } else if ("file".equals(scheme)) {
        List<String> segments = uri.getPathSegments();
        if (segments != null && segments.size() > 1 && "android_asset".equals(segments.get(0))) {
            AssetManager assetManager = context.getAssets();
            StringBuilder assetPath = new StringBuilder();
            for (int i = 1; i < segments.size(); i++) {
                if (i > 1) {
                    assetPath.append("/");
                }
                assetPath.append(segments.get(i));
            }
            try {
                in = assetManager.open(assetPath.toString());
            } catch (IOException e) {
                throw new OpenUriException(false, e);
            }
        } else {
            try {
                in = new FileInputStream(new File(uri.getPath()));
            } catch (FileNotFoundException e) {
                throw new OpenUriException(false, e);
            }
        }

    } else if ("http".equals(scheme) || "https".equals(scheme)) {
        OkHttpClient client = new OkHttpClient();
        HttpURLConnection conn = null;
        int responseCode = 0;
        String responseMessage = null;
        try {
            conn = new OkUrlFactory(client).open(new URL(uri.toString()));
        } catch (MalformedURLException e) {
            throw new OpenUriException(false, e);
        }

        try {
            conn.setConnectTimeout(DEFAULT_CONNECT_TIMEOUT);
            conn.setReadTimeout(DEFAULT_READ_TIMEOUT);
            responseCode = conn.getResponseCode();
            responseMessage = conn.getResponseMessage();
            if (!(responseCode >= 200 && responseCode < 300)) {
                throw new IOException("HTTP error response.");
            }
            if (reqContentTypeSubstring != null) {
                String contentType = conn.getContentType();
                if (contentType != null && !contentType.contains(reqContentTypeSubstring)) {
                    throw new IOException("HTTP content type '" + contentType + "' didn't match '"
                            + reqContentTypeSubstring + "'.");
                }
            }
            in = conn.getInputStream();

        } catch (IOException e) {
            if (responseCode > 0) {
                throw new OpenUriException(500 <= responseCode && responseCode < 600, responseMessage, e);
            } else {
                throw new OpenUriException(false, e);
            }

        }
    }

    return in;
}

---

From source file:com.google.android.apps.muzei.util.IOUtil.java

public static InputStream openUri(Context context, Uri uri, String reqContentTypeSubstring)
        throws OpenUriException {

    if (uri == null) {
        throw new IllegalArgumentException("Uri cannot be empty");
    }//from w  ww  . j av  a2  s  .c om

    String scheme = uri.getScheme();
    InputStream in = null;
    if ("content".equals(scheme)) {
        try {
            in = context.getContentResolver().openInputStream(uri);
        } catch (FileNotFoundException e) {
            throw new OpenUriException(false, e);
        } catch (SecurityException e) {
            throw new OpenUriException(false, e);
        }

    } else if ("file".equals(scheme)) {
        List<String> segments = uri.getPathSegments();
        if (segments != null && segments.size() > 1 && "android_asset".equals(segments.get(0))) {
            AssetManager assetManager = context.getAssets();
            StringBuilder assetPath = new StringBuilder();
            for (int i = 1; i < segments.size(); i++) {
                if (i > 1) {
                    assetPath.append("/");
                }
                assetPath.append(segments.get(i));
            }
            try {
                in = assetManager.open(assetPath.toString());
            } catch (IOException e) {
                throw new OpenUriException(false, e);
            }
        } else {
            try {
                in = new FileInputStream(new File(uri.getPath()));
            } catch (FileNotFoundException e) {
                throw new OpenUriException(false, e);
            }
        }

    } else if ("http".equals(scheme) || "https".equals(scheme)) {
        OkHttpClient client = new OkHttpClient();
        HttpURLConnection conn = null;
        int responseCode = 0;
        String responseMessage = null;
        try {
            conn = client.open(new URL(uri.toString()));
            conn.setConnectTimeout(DEFAULT_CONNECT_TIMEOUT);
            conn.setReadTimeout(DEFAULT_READ_TIMEOUT);
            responseCode = conn.getResponseCode();
            responseMessage = conn.getResponseMessage();
            if (!(responseCode >= 200 && responseCode < 300)) {
                throw new IOException("HTTP error response.");
            }
            if (reqContentTypeSubstring != null) {
                String contentType = conn.getContentType();
                if (contentType == null || contentType.indexOf(reqContentTypeSubstring) < 0) {
                    throw new IOException("HTTP content type '" + contentType + "' didn't match '"
                            + reqContentTypeSubstring + "'.");
                }
            }
            in = conn.getInputStream();

        } catch (MalformedURLException e) {
            throw new OpenUriException(false, e);

        } catch (IOException e) {
            if (conn != null && responseCode > 0) {
                throw new OpenUriException(500 <= responseCode && responseCode < 600, responseMessage, e);
            } else {
                throw new OpenUriException(false, e);
            }

        }
    }

    return in;
}

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From source file:com.door43.translationstudio.core.TargetTranslationMigrator.java

/**
 * Updated the id format of target translations
 * @param path//w w w  .  j av  a2s  .  c om
 * @return
 */
private static File v5(File path) throws Exception {
    File manifestFile = new File(path, MANIFEST_FILE);
    JSONObject manifest = new JSONObject(FileUtils.readFileToString(manifestFile));

    // pull info to build id
    String targetLanguageCode = manifest.getJSONObject("target_language").getString("id");
    String projectSlug = manifest.getJSONObject("project").getString("id");
    String translationTypeSlug = manifest.getJSONObject("type").getString("id");
    String resourceSlug = null;
    if (translationTypeSlug.equals("text")) {
        resourceSlug = manifest.getJSONObject("resource").getString("id");
    }

    // build new id
    String id = targetLanguageCode + "_" + projectSlug + "_" + translationTypeSlug;
    if (translationTypeSlug.equals("text") && resourceSlug != null) {
        id += "_" + resourceSlug;
    }

    // add license file
    File licenseFile = new File(path, "LICENSE.md");
    if (!licenseFile.exists()) {
        AssetManager am = AppContext.context().getAssets();
        InputStream is = am.open("LICENSE.md");
        if (is != null) {
            FileUtils.copyInputStreamToFile(is, licenseFile);
        } else {
            throw new Exception("Failed to open the template license file");
        }
    }

    // update package version
    manifest.put("package_version", 6);
    FileUtils.write(manifestFile, manifest.toString(2));

    // update target translation dir name
    File newPath = new File(path.getParentFile(), id.toLowerCase());
    FileUtilities.safeDelete(newPath);
    FileUtils.moveDirectory(path, newPath);
    return newPath;
}

---

From source file:com.androidzeitgeist.dashwatch.common.IOUtil.java

public static InputStream openUri(Context context, Uri uri, String reqContentTypeSubstring)
        throws OpenUriException {

    if (uri == null) {
        throw new IllegalArgumentException("Uri cannot be empty");
    }//from   w w w. ja va 2 s.  co  m

    String scheme = uri.getScheme();
    if (scheme == null) {
        throw new OpenUriException(false, new IOException("Uri had no scheme"));
    }

    InputStream in = null;
    if ("content".equals(scheme)) {
        try {
            in = context.getContentResolver().openInputStream(uri);
        } catch (FileNotFoundException e) {
            throw new OpenUriException(false, e);
        } catch (SecurityException e) {
            throw new OpenUriException(false, e);
        }

    } else if ("file".equals(scheme)) {
        List<String> segments = uri.getPathSegments();
        if (segments != null && segments.size() > 1 && "android_asset".equals(segments.get(0))) {
            AssetManager assetManager = context.getAssets();
            StringBuilder assetPath = new StringBuilder();
            for (int i = 1; i < segments.size(); i++) {
                if (i > 1) {
                    assetPath.append("/");
                }
                assetPath.append(segments.get(i));
            }
            try {
                in = assetManager.open(assetPath.toString());
            } catch (IOException e) {
                throw new OpenUriException(false, e);
            }
        } else {
            try {
                in = new FileInputStream(new File(uri.getPath()));
            } catch (FileNotFoundException e) {
                throw new OpenUriException(false, e);
            }
        }

    } else if ("http".equals(scheme) || "https".equals(scheme)) {
        OkHttpClient client = new OkHttpClient();
        HttpURLConnection conn = null;
        int responseCode = 0;
        String responseMessage = null;
        try {
            conn = client.open(new URL(uri.toString()));
            conn.setConnectTimeout(DEFAULT_CONNECT_TIMEOUT);
            conn.setReadTimeout(DEFAULT_READ_TIMEOUT);
            responseCode = conn.getResponseCode();
            responseMessage = conn.getResponseMessage();
            if (!(responseCode >= 200 && responseCode < 300)) {
                throw new IOException("HTTP error response.");
            }
            if (reqContentTypeSubstring != null) {
                String contentType = conn.getContentType();
                if (contentType == null || contentType.indexOf(reqContentTypeSubstring) < 0) {
                    throw new IOException("HTTP content type '" + contentType + "' didn't match '"
                            + reqContentTypeSubstring + "'.");
                }
            }
            in = conn.getInputStream();

        } catch (MalformedURLException e) {
            throw new OpenUriException(false, e);
        } catch (IOException e) {
            if (conn != null && responseCode > 0) {
                throw new OpenUriException(500 <= responseCode && responseCode < 600, responseMessage, e);
            } else {
                throw new OpenUriException(false, e);
            }

        }
    }

    return in;
}

---

From source file:cx.ring.client.HomeActivity.java

private static boolean copyAsset(AssetManager assetManager, String fromAssetPath, String toPath) {
    InputStream in;//from w  w  w  . j  a v a 2s  .com
    OutputStream out;
    try {
        in = assetManager.open(fromAssetPath);
        new File(toPath).createNewFile();
        out = new FileOutputStream(toPath);
        copyFile(in, out);
        in.close();
        in = null;
        out.flush();
        out.close();
        out = null;
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

---

From source file:org.protocoderrunner.utils.FileIO.java

private static void copyFile(Context c, String filename) {
    AssetManager assetManager = c.getAssets();

    InputStream in = null;/*from ww w . j a v a2s  .c  o  m*/
    OutputStream out = null;
    try {
        in = assetManager.open(filename);
        String newFileName = ProjectManager.getInstance().getBaseDir() + filename;
        out = new FileOutputStream(newFileName);

        byte[] buffer = new byte[1024];
        int read;
        while ((read = in.read(buffer)) != -1) {
            out.write(buffer, 0, read);
        }
        in.close();
        in = null;
        out.flush();
        out.close();
        out = null;
    } catch (Exception e) {
        Log.e("tag", e.getMessage());
    }

}

---

From source file:at.aec.solutions.checkmkagent.AgentService.java

private static boolean copyAsset(AssetManager assetManager, String fromAssetPath, String toPath) {
    InputStream in = null;//ww  w.j a  va 2s . c o m
    OutputStream out = null;
    try {
        in = assetManager.open(fromAssetPath);
        new File(toPath).createNewFile();
        out = new FileOutputStream(toPath);
        copyFile(in, out);
        in.close();
        in = null;
        out.flush();
        out.close();
        out = null;
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

---

From source file:com.clutch.ClutchSync.java

private static boolean copyAssetDir(AssetManager mgr, String path, File outFile) throws IOException {
    String[] assets = mgr.list(path);
    if (assets.length == 0) {
        if (!outFile.getParentFile().exists()) {
            outFile.getParentFile().mkdirs();
        }/*from w ww. j  a v a  2  s  . c  om*/
        if (!outFile.exists()) {
            outFile.createNewFile();
        }
        InputStream in = mgr.open(path);
        OutputStream out = new FileOutputStream(outFile);
        byte[] buffer = new byte[1024];
        int read;
        while ((read = in.read(buffer)) != -1) {
            out.write(buffer, 0, read);
        }
        out.close();
        return true;
    }

    for (String asset : assets) {
        if (!copyAssetDir(mgr, path + "/" + asset, new File(outFile, asset))) {
            return false;
        }
    }

    return true;
}

---

From source file:ch.uzh.supersede.feedbacklibrary.utils.Utils.java

/**
 * This method reads a specific file from the assets resource folder and returns it as a string.
 *
 * @param fileName     the file to read from
 * @param assetManager the asset manager
 * @return the file content as a string, or the empty string if an error occurred
 *///from  w  w  w .j a  va  2 s .  c o m
public static String readFileAsString(String fileName, AssetManager assetManager) {
    String ret = "";

    try {
        InputStream inputStream = assetManager.open(fileName);

        if (inputStream != null) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
            StringBuilder out = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                out.append(line);
            }
            reader.close();
            return out.toString();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    return ret;
}

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